From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABD85C04AB5 for ; Mon, 3 Jun 2019 13:13:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 80ACB23B99 for ; Mon, 3 Jun 2019 13:13:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559567582; bh=4NtdTAiGIqSpx4dui8ZWEsBxo33REFKNEyV+SgeL3mQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=TIDpX97mfyeylp8zO3obCQdYOZDSx7/qqZlFlU4VCmU1h6oTkqgKw4vbeBIFd1oK0 8B/M60bia3jG7pGVpsbqr1MA1TdTcfKAaybaznYSPZjIEtTntnaKQ6iCEjL04dAz7O 4DTp9SSSNQvd3JyMGLbr/f0qQ321FBh/4pIgrN4k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728033AbfFCNNB (ORCPT ); Mon, 3 Jun 2019 09:13:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:49796 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726516AbfFCNNB (ORCPT ); Mon, 3 Jun 2019 09:13:01 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AB29123B99; Mon, 3 Jun 2019 13:13:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559567581; bh=4NtdTAiGIqSpx4dui8ZWEsBxo33REFKNEyV+SgeL3mQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dGYoY7GS/OyBryNXuOvinx8CsSUp7F3Q8uzH52hqoh/LfBlIyKAT69gQ9Oh282u49 FmOo7odckeTm4ZcnNOIRASVBTIfc6MNw8AcREWwXijfTP07IIDjvucY710uBGRlHhz 3zUgLqtL0ZrUbuAZupHhCeM4aUlBLLEPBnS7g5hk= Date: Mon, 3 Jun 2019 15:12:58 +0200 From: Greg KH To: Vladimir Yerilov Cc: linux-usb@vger.kernel.org Subject: Re: kernel NULL pointer dereference, ucsi bug Message-ID: <20190603131258.GA10397@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.0 (2019-05-25) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Sun, Jun 02, 2019 at 09:24:43PM +1000, Vladimir Yerilov wrote: > Good day, > > There's a problem with ucsi starting from 5.2-rc1 (maybe earlier > versions of 5.2 are affected too). > Recently I've tried these versions of rc3 (commits), all have this issue: > 3ab4436f688c2d2f221793953cd05435ca84261c (05/31) > 3ea3091f1bd8586125848c62be295910e9802af0 > cd6c84d8f0cdc911df435bb075ba22ce3c605b07 (rc2) Can you run 'git bisect' to see what the exact offending patch is? thanks, greg k-h